And, if a robot arm were to swing out towards you, for safety reasons you would want to be able to immediately stop it and push it back without harming yourself, reverse that motion instantly. For one thing, that requires a back-driveable actuator.
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。搜狗输入法2026是该领域的重要参考
В России ответили на имитирующие высадку на Украине учения НАТО18:04
四、批准免去杨景海的山西省人民检察院检察长职务；